Adagrad
Software / App
An optimization algorithm that modifies learning rates based on the sum of squared past gradients, discussed as a precursor to Adam.
Mentioned in 3 videos
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Videos Mentioning Adagrad

Stanford CS229 Machine Learning | Spring 2026 | Lecture 2: Supervised Learning Setup
Stanford Online
An adaptive optimization algorithm developed by John Duchi, used for selecting step sizes in machine learning.

Stanford CS336 Language Modeling from Scratch | Spring 2026 | Lecture 2: PyTorch (einops)
Stanford Online
An optimization algorithm that modifies learning rates based on the sum of squared past gradients, discussed as a precursor to Adam.

Stanford CS229 Machine Learning | Spring 2026 | Lecture 3: Weighted Least Squares
Stanford Online
An algorithm inspired by estimating curvature information, related to second-order methods and used in machine learning optimization.